Please send detail and where may I register.
You require wholesale drug license and sale tax number for this start marketing company for all over India. Read whole requirement here: How to start Pharma Marketing Company?
For doing marketing whole over India, you can either appoint your own Medical Representative or you can appoint distributor at pcd pharma franchise basis. Read in detail about pcd pharma franchise here
You also have many option to market your products all over India. Read all marketing types in Article: Marketing and Sales Type in Pharmaceutical Sector.
Hope above information was useful to you…